Centronics 306 Manuals

Manuals and User Guides for Centronics 306. We have 2 Centronics 306 manuals available for free PDF download: Technical Manual

Centronics 306 Technical Manual

Centronics 306 Technical Manual (219 pages)

Brand: Centronics | Category: Printer | Size: 13.99 MB

Table of Contents

Table of Contents
4
Section Page
5
- Model 306 Printer (Top and VFU Covers Removed)
  12
- Printing the Letter (H)
  14
- Paper Movement Mechanism
  14
- Right Front View of
  18
- Rear View of
  19
- Printer Dimensions
  20
Initializing the Printer
22
Character Printing
22
- Prime Timing
  25
- Initiating the Printer Operation
  35
- 4.6.4 Print Head Operation
  35
- 4.6.5 Power Driver Circuits
  35
- Character Generator (ROM)
  35
  - Forward Clutch Interconnection Diagram
    36
  - Character Timing
    37
  - 4.6.4 Print Head Operation
    42
  - Power Driver Circuits
    43
  - Print Head Timing
    43
- Paper Movement
  44
- 4.7.1 Line Feed
  46
  - Line Feed Timing
    46
  - 4.7.3 Vertical Tab
    49
- Vertical Format Unit (Optional)
  49
- Line Feed Solenoid Driver
  50
Special Functions
51
- Bell (Optional)
  51
  - Motor Control (Optional)
    52
  - Motor Control Timing
    53
4.9 Power Supplies
54
- And -12V Regulators
  55
- Power Supply (Unregulated)
  55
Outputs from Lsi Chips (Me25 and Me16)
59
- 4.10.1 Lsi Chip Me25
  59
- 4.10.2 Lsi Chip Me16
  62
Introduction
66
Mechanical Assemblies
66
Preventive Maintenance
122
Troubleshooting Guide
122
- Schematic Diagram, Logic/P.s. Board (+5V) (Sheet 2 of 4)
  133
- Schematic Diagram, Logic/P.s. Board (+5V) (Sheet 4 of 4)
  135
- Schematic Diagram, Power Driver Board (Sheet 1 of 2)
  136
- Schematic Diagram, Power Driver Board (Sheet 2 of 2)
  137
- Schematic Diagram, Video Amplifier
  138
- Interconnection Diagram, Connector Card
  139
- Wiring Diagram, Printer Mechanism
  140
- Schematic Diagram, Elapsed Time Indicator (Option)
  141
- PC Board Ass'y, Logic/Power Supply Board (Sheet 1 of 2)
  144
- PC Board Ass'y, Logic/Power Supply Board (Sheet 2 of 2)
  145
- PC Board Ass'y, Video Amplifier and Cable Ass'y
  152
- PC Board Ass'y, Connector Card
  154
- PC Board Ass'y, Elapsed Time Indicator (Option)
  156
- Cable Ass'y, Computer Input
  160
- Cable Ass'y, Data Input
  164
- Platen - AB
  164
- Driving Mechanism
  164
- Pin Feed - AK
  164
- Cover - am
  164
- Carriage - AA
  165
- Paper Pan - AC
  169
- Driving Mechanism
  173
- Idler Pulley - AF
  177
- Reed Switch - AG
  179
- Base - AH
  181
- Paper Feed - AJ
  185
- Ribbon Feed - al
  191
- Operator Panel - an
  196
- Electrical Components (Part 1 of 3) - AO
  198
- Electrical Components (Part 2 of 3) - AP
  200
- Electrical Components (Part 3 of 3) - AQ
  202
- Print Head and Associated
  204
- Tape Reader Assembly 68060125-5003 (Option)
  206

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Centronics 306 Technical Manual

Centronics 306 Technical Manual (194 pages)

Brand: Centronics | Category: Printer | Size: 13.34 MB

Table of Contents

Table of Contents
5
Figure Page
7
Logic Board Timing
10
Model 306 Printer (Top and VFU Covers Removed)
11
Paper Movement Mechanism
13
Special Functions
14
- Bell (Option)
  14
- De)Lete (Octal
  14
Printer Dimensions
20
Data Input Timing
27
Timing of RAM Addressing During Print Cycle
34
Forward Clutch Interconnection Diagram
36
Print Head Timing
41
Double Line Feed Timing
45
Form Feed and Vertical Tab Timing
45
Timing During Bottom of Form Function
48
- Paper Empty
  49
- Motor Control (Optional)
  49
Power Supplies
52
- Regulator
  54
LSI Elements Inputs/Outputs
56
- Removal, Replacement and Adjustment Procedures
  62
Introduction
62
Mechanical Assemblies
62
- Carriage Mechanism
  63
- Platen
  65
Carriage Movement Adjustments
65
- Paper Pan
  66
Adjustment of Timing Belt
70
Bushing End-Play Adjustment for Forward Clutch Shaft, (Preload Clutch)
73
- Driving Mechanism
  74
- Idler Pulley Assembly
  74
Location of Drive Pulley Bracket
74
Reed Switch Assembly, Left
77
Left Reed Switch Static-Adjustment
77
- Reed Switch Printer Base
  78
- Frame
  79
- Paper Feed
  80
- Pin Feed Unit
  82
Adjustment for Paper Holder Gate
82
Removal of Belt (32) Idler Slide (28), and Drive Pulley
84
- Ribbon Feed
  85
Locating Idler Pulley Assembly
87
Torque Limiting Device (Brake)
88
- Cover
  110
- Operator Panel Electrical Components
  142
- Electrical Components
  142
- Print Head and Associated Assemblies
  142
Parallel Interface Specifications
188

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